Willmar Super 500 T/A Dry Fertilizer Spreader, 540 PTO, Twin Rear Spinners, Spring Axles, 8" Wide Apron, 8' X 7'-8" Box, 13-1/2" Extensions On 3 Sides, 160 Cu Ft Struck Capacity W/o Extensions, 11L - 15" Tires On 6 Bolt Rims, SN: 53216